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Phy L4C | Digestion & Abs
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Phy L4C | Digestion & Abs

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Questions and Answers

What is the process by which food is broken down into simple chemical compounds that can be absorbed and used as nutrients or eliminated by the body?

  • Ingestion
  • Absorption
  • Digestion (correct)
  • Assimilation
  • What is the process by which a substance takes in a liquid, gas, waves, or chemical and makes it a part of itself?

  • Absorption (correct)
  • Transport
  • Secretion
  • Excretion
  • What is the major function of villi in the small intestine?

  • Producing digestive enzymes
  • Storing excess nutrients
  • Eliminating waste products
  • Increasing surface area for absorption (correct)
  • What is the most common form of carbohydrates found in food?

    <p>Starch</p> Signup and view all the answers

    Which enzyme deficiency leads to lactose intolerance in some ethnic groups?

    <p>Lactase</p> Signup and view all the answers

    What is the role of pancreatic secretions in digestion?

    <p>Emulsifying fats</p> Signup and view all the answers

    Which structure in the small intestine increases the surface area for absorption by 20 times?

    <p>Villi</p> Signup and view all the answers

    What is the most common form of carbohydrate found in food?

    <p>Starch</p> Signup and view all the answers

    Which enzyme deficiency can lead to lactose intolerance in some ethnic groups?

    <p>Lactase</p> Signup and view all the answers

    What is the process by which a substance takes in a liquid, gas, waves, or chemical and makes it a part of itself?

    <p>Absorption</p> Signup and view all the answers

    What is the major function of enteric cells in digestion and absorption?

    <p>Increase surface area</p> Signup and view all the answers

    Which substance is a polymer of glucose molecules linked by alpha-1,4-linkages and alpha-1,6 linkages at branch points?

    <p>Starch</p> Signup and view all the answers

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